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Thread: Lake Oroville

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    SacsTC's Avatar
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    Lake Oroville

    It appears that Oroville is going to be REAL FULL this year. They had to shut down all outflows from the lake due to the spillway collapsing. Supposed to have three days at the current inflow before the lake is full

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    Re: Lake Oroville

    Full is good, but I hope you are not reporting that in 3 days it is going to be over full?
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    Re: Lake Oroville

    I don't know how many acre ft it will take to fill it, but the elevation at top of water yesterday was almost 851. 900 is considered full. Inflow right now is 130,000 acre feet per second according to our news. It rose 20 feet in six days last month during one series of storms.
    I also do not know how much water they can release through the dam itself. They were releasing 50000 to 60000 AF per second when they realized the spillway was coming apart and shut down the release. They had intended to increase outflow to 70000. Right now they are down to 5000 through the dam and none out the spillway.
    They say they can go back to using the spillway, but there is a giant hole about 100 feet down from the top. I guess we'll see what they decide.


    " I hope you are not reporting that in 3 days it is going to be over full"
    The news made it sound that way.

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    Re: Lake Oroville

    Not to make light of any one who lives down stream, but I hope no owls or sweater eating moths will be harmed in another EPA/Corp of Engineer/Jerry Brown uh oh. After moving from so cal to the south (New Orleans) it amazed me when it rains....and rains, then more rain.
    Except there it s flat and water doesn't rush, just rises.
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    Re: Lake Oroville

    The water is rushing this year. Most of the rivers have overflowed. This week is the second major concern for flooding in about 2-3 weeks. If our "exalted leaders" don't let all the water out before summer, we just might have all our reservoirs full this year. So far, they are keeping Folsom Lake, which is about 12 miles upstream from me, at 40% of capacity. Really irks me that they don't at least hold it at 60%, but they say it is for flood protection, not reserve water for the summer. They had its outflow at 50-60000 AF per second at the end of Jan. and will probably have it there again this week with the storms we are seeing right now. At least we have a good snowpack this year so far.

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    Re: Lake Oroville

    The hyacinth need a little fresh water in the delta, its so pretty!
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    Re: Lake Oroville

    Newest update.............Lake will hit 101% of full on Saturday. Turns out there is an "Emergency Spillway" that has never been tested. This amounts to a low area to the side of the dam where the water will overflow into a canyon that looks like it connects to the Feather river below.
    Just watched Dept of water resources state that they absolutely do not want to use the "emergency spillway" '
    They just did a short test of 20000 CFS release to guage how much damage that would cause to the spillway if they tried to continue using it.

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    Re: Lake Oroville

    Here is newest pic of damaged spillway after test last night. They are going to continue to use it as they really have no choice.

    Click image for larger version. 

Name:	spillway.jpg 
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ID:	19229

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    Re: Lake Oroville

    Found this pic for scale... WOW!

    Click image for larger version. 

Name:	oroville-dam-spillway-jpg-1486575369.jpg 
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    Re: Lake Oroville

    Quote Originally Posted by Chad89GT View Post
    Found this pic for scale... WOW!

    Click image for larger version. 

Name:	oroville-dam-spillway-jpg-1486575369.jpg 
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Size:	131.1 KB 
ID:	19230
    Yeah, this pic is before the test last night. In the newer pic I posted notice the side wall structure is gone and there is a lot more of the side bank washed out.
    Also, the hole now goes all the way across the spillway although that is not shown in either pic.

    Also, the lake is now 16 feet from the top as of 3:00 today. It is holding 3,288,554 AF. Its roughly 300,000 AF from full.
    Last edited by SacsTC; 02-09-2017 at 04:30 PM.

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